咨询与建议

限定检索结果

文献类型

  • 1,764 篇 期刊文献
  • 514 篇 会议
  • 42 册 图书
  • 6 篇 学位论文
  • 2 件 标准

馆藏范围

  • 2,328 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 1,768 篇 理学
    • 1,665 篇 物理学
    • 66 篇 生物学
    • 50 篇 化学
    • 26 篇 地球物理学
    • 18 篇 天文学
    • 10 篇 数学
  • 1,646 篇 工学
    • 946 篇 光学工程
    • 267 篇 仪器科学与技术
    • 226 篇 电气工程
    • 128 篇 生物医学工程(可授...
    • 103 篇 控制科学与工程
    • 78 篇 材料科学与工程(可...
    • 77 篇 计算机科学与技术...
    • 76 篇 电子科学与技术(可...
    • 74 篇 测绘科学与技术
    • 57 篇 核科学与技术
    • 53 篇 机械工程
    • 41 篇 航空宇航科学与技...
    • 35 篇 信息与通信工程
    • 29 篇 环境科学与工程(可...
    • 13 篇 软件工程
    • 11 篇 船舶与海洋工程
    • 10 篇 力学(可授工学、理...
  • 584 篇 医学
    • 345 篇 临床医学
    • 255 篇 特种医学
    • 185 篇 基础医学(可授医学...
    • 29 篇 医学技术(可授医学...
    • 28 篇 中西医结合
  • 32 篇 管理学
    • 30 篇 管理科学与工程(可...
  • 19 篇 教育学
    • 19 篇 心理学(可授教育学...
  • 18 篇 农学
  • 9 篇 艺术学
  • 4 篇 文学
  • 1 篇 法学
  • 1 篇 历史学

主题

  • 2,328 篇 modulation trans...
  • 355 篇 spatial frequenc...
  • 312 篇 image quality
  • 187 篇 point spread fun...
  • 137 篇 optical systems
  • 135 篇 spatial resoluti...
  • 126 篇 imaging systems
  • 106 篇 fourier transfor...
  • 103 篇 image processing
  • 73 篇 detective quantu...
  • 66 篇 noise power spec...
  • 61 篇 visual system
  • 60 篇 resolution
  • 58 篇 refractive index
  • 55 篇 mtf
  • 51 篇 optical design
  • 51 篇 atmospheric turb...
  • 44 篇 optical transfer...
  • 42 篇 nasa technical r...
  • 42 篇 (ntrs)

机构

  • 19 篇 univ chinese aca...
  • 17 篇 chinese acad sci...
  • 10 篇 ben gurion univ ...
  • 8 篇 chinese acad sci...
  • 8 篇 nanjing univ sci...
  • 7 篇 brookhaven natl ...
  • 7 篇 natl cheng kung ...
  • 7 篇 tianjin key lab ...
  • 6 篇 univ granada fac...
  • 6 篇 univ arizona col...
  • 6 篇 ludong univ sch ...
  • 6 篇 univ oklahoma sc...
  • 6 篇 tianjin univ sch...
  • 6 篇 univ oklahoma ct...
  • 5 篇 si vavilov state...
  • 5 篇 huazhong univ sc...
  • 5 篇 univ arizona ctr...
  • 5 篇 univ rochester i...
  • 5 篇 harbin inst tech...
  • 5 篇 ben-gurion univ....

作者

  • 17 篇 kopeika ns
  • 13 篇 yashchuk valeriy...
  • 11 篇 boreman gd
  • 11 篇 samei e
  • 10 篇 mckinney wayne r...
  • 9 篇 takacs peter z.
  • 9 篇 unoki masashi
  • 9 篇 leith en
  • 8 篇 wang fan
  • 8 篇 masaoka kenichir...
  • 8 篇 gao feng
  • 7 篇 zhao huijuan
  • 7 篇 bellotti enrico
  • 7 篇 lin psang dain
  • 7 篇 primot j
  • 7 篇 anderson erik h.
  • 7 篇 barber samuel k.
  • 7 篇 liu jian
  • 7 篇 wang honggang
  • 6 篇 akagi masato

语言

  • 1,734 篇 英文
  • 571 篇 其他
  • 20 篇 中文
  • 2 篇 法文
  • 1 篇 德文
  • 1 篇 俄文
检索条件"主题词=Modulation Transfer Function"
2328 条 记 录,以下是51-60 订阅
排序:
modulation transfer-function AND NUMBER OF EQUIVALENT ELEMENTS FOR SPRITE DETECTORS
收藏 引用
APPLIED OPTICS 1988年 第20期27卷 4331-4335页
作者: BOREMAN, GD PLOGSTEDT, AE MCDONNELL DOUGLAS ASTRONAUT CO TITUSVILLE FL 32780 USA
SPRITE (signal processing in the element) detectors are three-contact photoconductive structures made of HgCdTe, in which a time-delay-and-integration function is performed in the detector element itself without the n... 详细信息
来源: 评论
modulation transfer function of intraocular collamer lens with a central artificial hole
收藏 引用
GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY 2011年 第7期249卷 1081-1085页
作者: Uozato, Hiroshi Shimizu, Kimiya Kawamorita, Takushi Ohmoto, Fumiko Kitasato Univ Sch Allied Hlth Sci Dept Orthopt & Visual Sci Minami Ku Sagamihara Kanagawa 2520373 Japan Kitasato Univ Grad Sch Med Sci Dept Ophthalmol & Visual Sci Sagamihara Kanagawa 2520373 Japan Kitasato Univ Sch Med Dept Ophthalmol Sagamihara Kanagawa 2520373 Japan
A modified implantable collamer lens (ICL) with a central hole (diameter 0.36 mm), "Hole-ICL", was created to improve aqueous humour circulation. The aim of this study is to investigate the effects of ICL po... 详细信息
来源: 评论
modulation transfer function of a pyroelectric sensor array based on a finite element model
收藏 引用
FERROELECTRICS 2003年 第1期293卷 267-281页
作者: Milde, G Drescher, J Gerlach, G Balke, H Bahr, HA TU Dresden Inst Solid State Elect D-01062 Dresden Germany TU Dresden Inst Solid State Mech D-01062 Dresden Germany
Pyroelectric infrared sensor arrays are imaging devices for infrared radiation that utilize the temperature dependence of the remanent in polarization in pyroelectric materials. We use the finite element method for th... 详细信息
来源: 评论
modulation transfer function ASSOCIATED WITH IMAGE TRANSMISSION THROUGH TURBULENT MEDIA
收藏 引用
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA 1964年 第1期54卷 52-&页
作者: HUFNAGEL, RE STANLEY, NR The Perkin–Elmer Corporation Norwalk Connecticut 06851
The aim of this paper is to determine exactly the optical transfer function corresponding to the time-averaged image-degrading effects of atmospheric turbulence. First the average transfer function is shown to be rela... 详细信息
来源: 评论
modulation transfer function Measurement of Infrared Focal-Plane Arrays with Small Fill Factors
收藏 引用
JOURNAL OF ELECTRONIC MATERIALS 2012年 第10期41卷 2730-2737页
作者: de la Barriere, Florence Druart, Guillaume Guerineau, Nicolas Rommeluere, Sylvain Mugnier, Laurent Gravrand, Olivier Baier, Nicolas Lhermet, Nicolas Destefanis, Gerard Derelle, Sophie Off Natl Etud & Rech Aerosp F-91761 Palaiseau France CEA LETI MINATEC F-38054 Grenoble 9 France
This paper describes an original method to measure the modulation transfer function (MTF) of an infrared focal-plane array (IRFPA), based on a diffraction grating called a continuously self-imaging grating (CSIG). We ... 详细信息
来源: 评论
modulation transfer function Measurement of Infrared Focal-Plane Arrays with Small Fill Factors
Modulation Transfer Function Measurement of Infrared Focal-P...
收藏 引用
US Workshop on the Physics and Chemistry of II-VI Materials
作者: de la Barriere, Florence Druart, Guillaume Guerineau, Nicolas Rommeluere, Sylvain Mugnier, Laurent Gravrand, Olivier Baier, Nicolas Lhermet, Nicolas Destefanis, Gerard Derelle, Sophie Off Natl Etud & Rech Aerosp F-91761 Palaiseau France CEA LETI MINATEC F-38054 Grenoble 9 France
This paper describes an original method to measure the modulation transfer function (MTF) of an infrared focal-plane array (IRFPA), based on a diffraction grating called a continuously self-imaging grating (CSIG). We ... 详细信息
来源: 评论
modulation transfer function OF RADIOGRAPHIC SYSTEMS USING FLUORESCENT SCREENS
收藏 引用
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA 1962年 第7期52卷 774-&页
作者: ROSSMANN, K Research Laboratories Eastman Kodak Company Rochester New York
When radiographic film is exposed with fluorescent intensifying screens, the spatial x-ray quantum fluctuations are recorded on the film in the form of density fluctuations (“quantum mottle”). The x-ray quantum fluc... 详细信息
来源: 评论
modulation transfer function of digital breast tomosynthesis: a comparison of various edge devices
收藏 引用
RADIOLOGICAL PHYSICS AND TECHNOLOGY 2024年 第3期17卷 739-744页
作者: Shirato, Takashi Doryo, Kazuhiko Yamada, Shiori Ozaki, Yutaka Juntendo Univ Nerima Hosp Dept Radiol 3-1-10 TakanodaiNerima Ku Tokyo 1778521 Japan
The modulation transfer function (MTF) is a fundamental tool for assessing the sharpness of digital breast tomosynthesis (DBT) systems and is primarily measured using edge devices. We compared the MTF of a Senographe ... 详细信息
来源: 评论
modulation transfer function Determination Using the Edge Technique for Cone-beam Micro-CT
Modulation Transfer Function Determination Using the Edge Te...
收藏 引用
Conference on Medical Imaging - Physics of Medical Imaging
作者: Rong, Junyan Liu, Wenlei Gao, Peng Liao, Qimei Lu, Hongbing Fourth Mil Med Univ Dept Biomed Engn Xian 710032 Shanxi Peoples R China
Evaluating spatial resolution is an essential work for cone-beam computed tomography (CBCT) manufacturers, prototype designers or equipment users. To investigate the cross-sectional spatial resolution for different tr... 详细信息
来源: 评论
modulation transfer function Measurement Technique for Image Sensor Arrays
Modulation Transfer Function Measurement Technique for Image...
收藏 引用
6th International Symposium on Precision Engineering Measurements and Instrumentation
作者: Jin, Hui Jiang, Huilin Zhang, XiaoHui Changchun Univ Sci & Technol Changchun 130022 Peoples R China Changchun Inst Opt Fine Mechan & Phys Changchun 130033 Peoples R China
A new technique is demonstrated for measurement of modulation transfer function (MTF) on image sensor arrays. Fourier analysis of a low frequency bar target pattern is used to extract MTF at odd harmonics of a target ... 详细信息
来源: 评论